class CreatComment < ActiveRecord::Migration

  def self.up
    create_table :comments ,:force => true  do |t|
      t.column "title", :string, :limit => 50, :default => ""
      t.column "comment", :text
      t.column "created_at", :datetime, :null => false
      t.column "commentable_id", :integer, :default => 0, :null => false
      t.column "commentable_type", :string, :limit => 15, :default => "", :null => false
      t.column "user_id", :integer, :default => 0, :null => false
    end
  
    add_index :comments, ["user_id"], :name => "fk_comments_user"
  end

  def self.down
    drop_table :comments
  end

end
